Features:
Mouse pad calculator with 4 USB 2.0 Hubs (one in, three out).
12-Digital arithmetic, Memory Calculation: M+, M-, MRC.
Can be used as both mouse pad and calculator.
Mouse pad usage: Set the ON/OFF switch to "OFF" position to turn off the calculator .The unit is used as a mouse pad
USB Usage for the item: Connect PC with "USB IN" jack of this unit by USB cable(included), the blue moodlight is ON. The other 3 USB hubs can be connected with other computer accessories to operate the hardware or data transmission. Such as keyboard, mouse, USB flash, MP3, MP4 etc.
Size: 24.1cm x 18.8cm x 0.9cm

Package included:
1 x Mouse Pad Solar Power Calculator
1 x USB cable